The moment when an individual listening to a sick bass drop is unable to control themselves. It is marked by flailing arms and gyrating midsections and/or jumping up and down to the beat of the music. An individual suffering from dubstepilepsy is referred to as a dubstepileptic.

Examples of use:

Scott: Chris what is Tommy doing? Why is he waving arms up and down and bobbing his head?

Chris: Tommy suffers from dubstepilepsy, he just can't help himself when the bass drops.